Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9255236 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Harald Boehnke, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel | 2016-02-09 |
| 9006158 | Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines and use thereof as a fuel additive or lubricant additive | Arno Lange, Harald Böhnke, Hannah Maria König, Markus Hansch, Ludwig Völkel +1 more | 2015-04-14 |
| 8911516 | Quaternized copolymer | Hannah Maria Koenig, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel, Harald Boehnke | 2014-12-16 |
| 8790426 | Quaternized terpolymer | Ivette Garcia Castro, Cornelia Roeger-Goepfert, Klaus Muehlbach, Ludwig Voelkel, Harald Boehnke +1 more | 2014-07-29 |
| 8252555 | Nucleic acid encoding a cobalamin-dependent methionine synthase polypeptide | Oskar Zelder, Corinna Klopprogge, Hartwig Schröder, Stefan Haefner, Anja Knietsch +1 more | 2012-08-28 |